]> git.proxmox.com Git - mirror_ubuntu-artful-kernel.git/blobdiff - include/asm-mips/fpu.h
MIPS: Move headfiles to new location below arch/mips/include
[mirror_ubuntu-artful-kernel.git] / include / asm-mips / fpu.h
diff --git a/include/asm-mips/fpu.h b/include/asm-mips/fpu.h
deleted file mode 100644 (file)
index 8a3ef24..0000000
+++ /dev/null
@@ -1,153 +0,0 @@
-/*
- * Copyright (C) 2002 MontaVista Software Inc.
- * Author: Jun Sun, jsun@mvista.com or jsun@junsun.net
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
- */
-#ifndef _ASM_FPU_H
-#define _ASM_FPU_H
-
-#include <linux/sched.h>
-#include <linux/thread_info.h>
-#include <linux/bitops.h>
-
-#include <asm/mipsregs.h>
-#include <asm/cpu.h>
-#include <asm/cpu-features.h>
-#include <asm/hazards.h>
-#include <asm/processor.h>
-#include <asm/current.h>
-
-#ifdef CONFIG_MIPS_MT_FPAFF
-#include <asm/mips_mt.h>
-#endif
-
-struct sigcontext;
-struct sigcontext32;
-
-extern asmlinkage int (*save_fp_context)(struct sigcontext __user *sc);
-extern asmlinkage int (*restore_fp_context)(struct sigcontext __user *sc);
-
-extern asmlinkage int (*save_fp_context32)(struct sigcontext32 __user *sc);
-extern asmlinkage int (*restore_fp_context32)(struct sigcontext32 __user *sc);
-
-extern void fpu_emulator_init_fpu(void);
-extern int fpu_emulator_save_context(struct sigcontext __user *sc);
-extern int fpu_emulator_restore_context(struct sigcontext __user *sc);
-extern void _init_fpu(void);
-extern void _save_fp(struct task_struct *);
-extern void _restore_fp(struct task_struct *);
-
-#define __enable_fpu()                                                 \
-do {                                                                   \
-        set_c0_status(ST0_CU1);                                                \
-        enable_fpu_hazard();                                           \
-} while (0)
-
-#define __disable_fpu()                                                        \
-do {                                                                   \
-       clear_c0_status(ST0_CU1);                                       \
-        disable_fpu_hazard();                                          \
-} while (0)
-
-#define enable_fpu()                                                   \
-do {                                                                   \
-       if (cpu_has_fpu)                                                \
-               __enable_fpu();                                         \
-} while (0)
-
-#define disable_fpu()                                                  \
-do {                                                                   \
-       if (cpu_has_fpu)                                                \
-               __disable_fpu();                                        \
-} while (0)
-
-
-#define clear_fpu_owner()      clear_thread_flag(TIF_USEDFPU)
-
-static inline int __is_fpu_owner(void)
-{
-       return test_thread_flag(TIF_USEDFPU);
-}
-
-static inline int is_fpu_owner(void)
-{
-       return cpu_has_fpu && __is_fpu_owner();
-}
-
-static inline void __own_fpu(void)
-{
-       __enable_fpu();
-       KSTK_STATUS(current) |= ST0_CU1;
-       set_thread_flag(TIF_USEDFPU);
-}
-
-static inline void own_fpu_inatomic(int restore)
-{
-       if (cpu_has_fpu && !__is_fpu_owner()) {
-               __own_fpu();
-               if (restore)
-                       _restore_fp(current);
-       }
-}
-
-static inline void own_fpu(int restore)
-{
-       preempt_disable();
-       own_fpu_inatomic(restore);
-       preempt_enable();
-}
-
-static inline void lose_fpu(int save)
-{
-       preempt_disable();
-       if (is_fpu_owner()) {
-               if (save)
-                       _save_fp(current);
-               KSTK_STATUS(current) &= ~ST0_CU1;
-               clear_thread_flag(TIF_USEDFPU);
-               __disable_fpu();
-       }
-       preempt_enable();
-}
-
-static inline void init_fpu(void)
-{
-       preempt_disable();
-       if (cpu_has_fpu) {
-               __own_fpu();
-               _init_fpu();
-       } else {
-               fpu_emulator_init_fpu();
-       }
-       preempt_enable();
-}
-
-static inline void save_fp(struct task_struct *tsk)
-{
-       if (cpu_has_fpu)
-               _save_fp(tsk);
-}
-
-static inline void restore_fp(struct task_struct *tsk)
-{
-       if (cpu_has_fpu)
-               _restore_fp(tsk);
-}
-
-static inline fpureg_t *get_fpu_regs(struct task_struct *tsk)
-{
-       if (tsk == current) {
-               preempt_disable();
-               if (is_fpu_owner())
-                       _save_fp(current);
-               preempt_enable();
-       }
-
-       return tsk->thread.fpu.fpr;
-}
-
-#endif /* _ASM_FPU_H */